Finding the Fourth Proportional to 735,994,861.60, 1,103,992,292.40 and 491,106,848.80
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Solution
The fourth proportional to 735,994,861.60, 1,103,992,292.40 and 491,106,848.80 is: 736,660,273.20
Step by Step Solution
- Step 1: Write the proportion equation
735,994,861.60 : 1,103,992,292.40 = 491,106,848.80 : x - Step 2: Convert to fraction form
735,994,861.60/1,103,992,292.40 = 491,106,848.80/x - Step 3: Cross multiply
735,994,861.60x = 1,103,992,292.40 × 491,106,848.80 - Step 4: Simplify right side
735,994,861.60x = 542,178,175,820,052,224 - Step 5: Solve for x
x = 542,178,175,820,052,224/735,994,861.60 - Step 6: Final answer
x = 736,660,273.20
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.